*SUPPORT*
IN: gazzer fep tufa kiki OUT: YELLOW BLUE YELLOW BLUE
IN: lug fep wif zup OUT: PURPLE RED PURPLE RED PURPLE RED
IN: lug fep lug zup OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: YELLOW
IN: wif fep tufa OUT: RED BLUE
IN: tufa fep tufa zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug kiki OUT: PURPLE PURPLE
IN: tufa fep wif OUT: BLUE RED
IN: tufa tufa fep lug OUT: BLUE BLUE PURPLE
IN: lug tufa zup OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE
IN: tufa fep lug zup OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: tufa lug zup OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: gazzer zup OUT: YELLOW YELLOW YELLOW
IN: gazzer fep tufa OUT: YELLOW BLUE

*QUERY*
IN: tufa kiki zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: wif kiki OUT: RED RED
IN: lug fep lug OUT: PURPLE PURPLE
IN: lug OUT: PURPLE
IN: lug fep tufa OUT: PURPLE BLUE
IN: tufa OUT: BLUE
IN: wif gazzer kiki kiki OUT: RED YELLOW RED YELLOW RED YELLOW RED YELLOW
IN: tufa fep gazzer OUT: BLUE YELLOW
IN: lug fep gazzer OUT: PURPLE YELLOW

*GRAMMAR*
tufa -> BLUE 
 wif -> RED 
 lug -> PURPLE 
 gazzer -> YELLOW 
 x1 kiki -> [x1] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 